, T. Sabhanayagam, Dr. V. Prasanna Venkatesan, Dr. K. Senthamaraikannan. 2018. “Facial Expression Recognition Using Diagonal Crisscross Local Binary Pattern”. International Journal on Future Revolution in Computer Science &Amp; Communication Engineering 4 (3):376-82. http://www.ijfrcsce.org/index.php/ijfrcsce/article/view/1325.